The ASA AAF3/AAF5 is a high precision focuser with a stepper motor and a high resolution absolute encoder. It measures the actual focuser position directly on the inner focuser tube. It also contains a temperature sensor located in the focuser cable. The motor controller electronics is included in the focuser.

Barlow Adapter Set and Wynne Adapter Set

AZ800 800mm Ritchey-Chrétien AltAZ Telescope f/6 f/2 with Nasmyth focus (0200690A)

AZ800 800mm Ritchey-Chrétien AltAZ Telescope with Nasmyth focus

AZ1000 1000mm Ritchey-Chrétien AltAZ Telescope f/8f/2 with Nasmyth focus. ASA part #: 0200732A